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VIIIP
FACTOR VIII INHIBITOR ASSAY, PORCINE, PLASMA

Test Code VIIIP 
Test FACTOR VIII INHIBITOR ASSAY, PORCINE, PLASMA 
Methodology Automated Clot-Based Assay 
Description Useful for detecting the presence and titer of a factor inhibitor directed against porcine Factor VIII. 
Specimen Collect specimen as follows:
1. Draw blood in light blue-top (3.2% sodium citrate) tube(s). Separate plasma from cells within 1 hour of collection in a centrifuge at 2,500 rpm for 15 minutes or 3,000 rpm for 10 minutes.
2. Using a plastic transfer pipette (do not use a glass pipette) decant the plasma to a screw-capped, plastic (polypropylene) vial. (Glass vials will not be accepted.)
3. Divide the specimen into as many 0.5 - 1.0 mL aliquots as possible and cap the vial(s) tightly.
4. Freeze specimen(s) immediately at <= - 40 C.
5. Send specimen(s) FROZEN on dry ice.

NOTE:
1. SPECIMENS WILL BE REJECTED IF UNDERFILLED (< 90%), CLOTTED, HIGH HEMATOCRIT (> 55%), OR GROSSLY HEMOLYZED.
2. Follow special procedure for drawing specimen from an A-line. 

Reference Values < 0.6 BIU/mL 
Analytic Time 1 Day 
Day(s) Test Set Up Available upon request Monday through Friday 8 a.m. - 3 p.m. 
CPT Code(s) 85335  

Special Instructions